Healthcare Sector

SIGA

Market Tracker

  • SIGA (Selected)

    SIGA Technologies, Inc.

SIGA Most Active Options Strike Prices Whale BUY Activity - 5 day

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Represents the strikes that had the highest premium of whale flow (on the ASK side) over the past 5 trading days.

SIGA Most Active Options Strike Prices Whale SALES Activity - 5 day

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Represents the strikes that had the highest premium of whale flow (on the BID side) over the past 5 trading days.

SIGA Open Interest Trend

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Total Open Interest of Calls & Puts across all strikes and expirations over the past 16 trading days.

SIGA Largest 1-Day Open Interest Movements

Expires Type Strike OI Change Percent
03/20/2026 CALL $7.00 20 +20
09/19/2025 CALL $9.40 25 +19 +316.67%
09/19/2025 CALL $10.00 136 +10 +7.94%
03/20/2026 CALL $11.00 5 +5
03/20/2026 PUT $9.00 6 +5 +500.00%
01/16/2026 CALL $10.00 42 +3 +7.69%
12/19/2025 CALL $9.00 42 -1 -2.33%
01/15/2027 CALL $6.40 123 -1 -0.81%
08/15/2025 CALL $9.00 157 -4 -2.48%
08/15/2025 CALL $8.00 547 -9 -1.62%
09/19/2025 CALL $8.40 50 -10 -16.67%
09/19/2025 CALL $6.40 126 -14 -10.00%

Contracts with largest changes in open interest from the previous trading day to the current/most recent.

SIGA Major Holders

Name Pct Held Shares Total
Vanguard Total Stock Market Index Fund 1.47% 1.19M 6.07M
iShares Russell 2000 ETF 1.27% 1.03M 5.25M
Principal Capital Appreciation Fund 0.97% 783.42k 4M
Federated Hermes MDT Small Cap Core Fund 0.89% 723.5k 3.69M
Vanguard Extended Market Index Fund 0.65% 525.77k 2.68M
Royce Capital Fund-Small Cap Portfolio 0.59% 478.5k 2.44M
Federated Hermes MDT Mid Cap Growth Fund 0.54% 435.88k 2.22M
SPDR (R) Ser Tr-SPDR (R) S&P (R) Pharmaceuticals ETF 0.51% 413.91k 2.11M
Fidelity Small Cap Index Fund 0.48% 388.42k 1.98M
Avantis U.S. Small Cap Value ETF 0.46% 371.42k 1.89M

SIGA News

  • SIGA (SIGA) Q2 Revenue Soars 272%

    08/06 10:18 am

    The Motley Fool

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  • Sustainable Construction Materials Market to record $734.9 Bn by 2032, Says Global Market Insights Inc.

    01/07 07:00 am

    GlobeNewswire Inc.

    Read more
  • SIGA Technologies (SIGA) Shares Tumble After Mpox Therapy Fails, Chief Medical Officer Terminated - Hagens Berman

    10/07 05:42 pm

    GlobeNewswire Inc.

    Read more
  • SIGA Technologies (SIGA) Shares Tumble After Mpox Therapy Fails, Chief Medical Officer Terminated - Hagens Berman

    10/03 07:25 pm

    GlobeNewswire Inc.

    Read more
  • INVESTOR ALERT: Law Offices of Howard G. Smith Announces Investigation of SIGA Technologies, Inc. (SIGA) on Behalf of Investors

    10/02 08:39 pm

    Benzinga

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  • 3 Promising Vaccine Stocks to Watch in the Event of an Mpox Surge

    08/19 03:40 pm

    Investing.com

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  • Topline Results from PALM 007 Study of SIGA’s Tecovirimat in Treatment of Mpox Released

    08/15 07:35 am

    GlobeNewswire Inc.

    Read more
  • SIGA Announces U.S. Government Procurement Order of $113 Million for Oral TPOXX® - GlobeNewswire

    07/19 08:07 am

    GlobeNewswire Inc.

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  • Siga Technologies Inc. (SIGA) Gains As Market Dips: What You Should Know

    06/20 05:50 pm

    Zacks Investment Research

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  • SIGA Announces Agreement to Sell TPOXX® to ASEAN Member States

    06/17 04:05 pm

    GlobeNewswire Inc.

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  • New Strong Buy Stocks for May 17th

    05/17 06:28 am

    Zacks Investment Research

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  • Is Siga Technologies (SIGA) Stock Undervalued Right Now?

    05/10 09:40 am

    Zacks Investment Research

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  • New Strong Buy Stocks for May 8th

    05/08 06:38 am

    Zacks Investment Research

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  • Siga Technologies (SIGA) Upgraded to Strong Buy: Here's What You Should Know

    05/03 12:00 pm

    Zacks Investment Research

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  • New Strong Buy Stocks for May 3rd

    05/03 07:06 am

    Zacks Investment Research

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  • Best Value Stocks to Buy for May 3rd

    05/03 04:51 am

    Zacks Investment Research

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  • Siga Technologies Inc. (SIGA) Rises Higher Than Market: Key Facts

    05/02 05:45 pm

    Zacks Investment Research

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  • SIGA Technologies to Host Business Update Call on May 7 Following Release of First-Quarter 2024 Financial Results

    05/01 05:00 pm

    GlobeNewswire Inc.

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  • Siga Technologies Inc. (SIGA) Stock Moves -0.23%: What You Should Know

    04/25 05:45 pm

    Zacks Investment Research

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  • Siga Technologies Inc. (SIGA) Increases Despite Market Slip: Here's What You Need to Know

    04/19 05:45 pm

    Zacks Investment Research

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  • Siga Technologies Inc. (SIGA) Advances While Market Declines: Some Information for Investors

    04/15 05:50 pm

    Zacks Investment Research

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  • Best Momentum Stocks to Buy for April 12th

    04/12 10:00 am

    Zacks Investment Research

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  • New Strong Buy Stocks for April 12th

    04/12 07:29 am

    Zacks Investment Research

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  • Best Value Stocks to Buy for April 12th

    04/12 06:33 am

    Zacks Investment Research

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  • Best Momentum Stocks to Buy for April 10th

    04/10 10:00 am

    Zacks Investment Research

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  • New Strong Buy Stocks for April 10th

    04/10 06:44 am

    Zacks Investment Research

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  • Wall Street Breakfast: The Week Ahead

    04/07 06:48 am

    Seeking Alpha

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  • Why Stryve Foods Shares Are Trading Lower By Around 25%? Here Are Other Stocks Moving In Tuesday's Mid-Day Session

    04/02 01:23 pm

    Benzinga

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  • ChampionX, Montrose Environmental Group And Other Big Stocks Moving Higher On Tuesday

    04/02 10:30 am

    Benzinga

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  • Best Momentum Stocks to Buy for April 2nd

    04/02 10:00 am

    Zacks Investment Research

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  • New Strong Buy Stocks for April 2nd

    04/02 07:05 am

    Zacks Investment Research

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  • SIGA Amends International Promotion Agreement with Meridian to Enhance International Growth Opportunities of Oral TPOXX®

    04/01 04:05 pm

    GlobeNewswire Inc.

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  • SIGA Names Larry Miller General Counsel

    03/25 07:30 am

    GlobeNewswire Inc.

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  • All You Need to Know About Siga Technologies (SIGA) Rating Upgrade to Buy

    03/21 12:00 pm

    Zacks Investment Research

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  • Why Clover Health Investments Shares Are Trading Higher By 11%? Here Are Other Stocks Moving In Wednesday's Mid-Day Session

    03/13 01:18 pm

    Benzinga

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  • Beauty Health Posts Upbeat Sales, Joins SIGA Technologies, MaxCyte And Other Big Stocks Moving Higher In Wednesday's Pre-Market Session

    03/13 06:16 am

    Benzinga

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  • SIGA Reports Financial Results for Three and Twelve Months Ended December 31, 2023

    03/12 04:05 pm

    GlobeNewswire Inc.

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  • Bioventus Reports Upbeat Earnings, Joins Ranpak, Beachbody And Other Big Stocks Moving Higher On Tuesday

    03/12 10:37 am

    Benzinga

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  • SIGA Declares Special Cash Dividend of $0.60 Per Share

    03/12 07:30 am

    GlobeNewswire Inc.

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  • SIGA Technologies to Host Business Update Call on March 12th, 2024 Following Release of Fourth Quarter and Full Year 2023 Financial Results

    03/05 08:30 am

    GlobeNewswire Inc.

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  • SIGA Announces Appointment of Diem Nguyen, Ph.D., MBA, as New Chief Executive Officer

    01/22 08:30 am

    GlobeNewswire Inc.

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  • SIGA Reports Financial Results for Three and Nine Months Ended September 30, 2023

    11/07 05:05 pm

    GlobeNewswire Inc.

    Read more
  • SIGA Technologies to Host Business Update Call on November 7th, 2023 Following Release of Third Quarter 2023 Financial Results

    10/26 07:30 am

    GlobeNewswire Inc.

    Read more
  • The Zacks Analyst Blog Highlights Virco, G-III Apparel, SIGA Technologies, Lantronix and Duolingo

    10/04 05:31 am

    Zacks Investment Research

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  • Top 5 High-Flying Nasdaq Stocks Defying Index's Recent Turmoil

    10/03 09:31 am

    Zacks Investment Research

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  • SIGA Technologies Names Dr. Jay K. Varma as EVP and Chief Medical Officer

    09/06 07:30 am

    GlobeNewswire Inc.

    Read more
  • CSX, Citius Pharmaceuticals And Other Big Stocks Moving Lower In Friday's Pre-Market Session

    07/31 07:13 am

    Benzinga

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  • Why Avantor Shares Are Trading Lower By 10%? Here Are Other Stocks Moving In Friday's Mid-Day Session

    07/28 01:07 pm

    Benzinga

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  • Skechers, Chart Industries, Roku, Beazer Homes And Other Big Stocks Moving Higher On Friday

    07/28 10:46 am

    Benzinga

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  • Why Coursera Shares Are Trading Higher By 15%; Here Are 20 Stocks Moving Premarket

    07/28 07:57 am

    Benzinga

    Read more
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